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Count and show incoming UDP datagrams with no checksum.

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This commit is contained in:
Ruslan Ermilov 2001-03-13 13:26:06 +00:00
parent 807ef2d03f
commit fb9aaba000
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=74209
3 changed files with 23 additions and 19 deletions
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3
sys/netinet/udp_usrreq.c
View File

@ -234,7 +234,8 @@ udp_input(m, off, proto)
m_freem(m);
return;
}
}
} else
udpstat.udps_nosum++;
if (IN_MULTICAST(ntohl(ip->ip_dst.s_addr)) ||
in_broadcast(ip->ip_dst, m->m_pkthdr.rcvif)) {

1
usr.bin/netstat/inet.c
View File

@ -476,6 +476,7 @@ udp_stats(off, name)
p1a(udps_hdrops, "\t%lu with incomplete header\n");
p1a(udps_badlen, "\t%lu with bad data length field\n");
p1a(udps_badsum, "\t%lu with bad checksum\n");
p1a(udps_nosum, "\t%lu with no checksum\n");
p1a(udps_noport, "\t%lu dropped due to no socket\n");
p(udps_noportbcast,
"\t%lu broadcast/multicast datagram%s dropped due to no socket\n");

38
usr.bin/systat/ip.c
View File

@ -83,12 +83,12 @@ static struct stat curstat, initstat, oldstat;
11999999999 - fragments dropped 999999999 total input packets
12999999999 - fragments timed out 999999999 - too short for header
13999999999 - packets reassembled ok 999999999 - invalid checksum
14999999999 packets forwarded 999999999 - invalid length
15999999999 - unreachable dests 999999999 - no socket for dest port
16999999999 - redirects generated 999999999 - no socket for broadcast
17999999999 option errors 999999999 - socket buffer full
18999999999 unwanted multicasts 999999999 total output packets
19999999999 delivered to upper layer
14999999999 packets forwarded 999999999 - no checksum
15999999999 - unreachable dests 999999999 - invalid length
16999999999 - redirects generated 999999999 - no socket for dest port
17999999999 option errors 999999999 - no socket for broadcast
18999999999 unwanted multicasts 999999999 - socket buffer full
19999999999 delivered to upper layer 999999999 total output packets
--0123456789012345678901234567890123456789012345678901234567890123456789012345
--0 1 2 3 4 5 6 7
*/
@ -96,7 +96,7 @@ static struct stat curstat, initstat, oldstat;
WINDOW *
openip(void)
{
return (subwin(stdscr, LINES-5-1, 0, 5, 0));
return (subwin(stdscr, LINES-4-1, 0, 4, 0));
}
void
@ -129,12 +129,12 @@ labelip(void)
L(11, "- fragments dropped"); R(11, "total input packets");
L(12, "- fragments timed out"); R(12, "- too short for header");
L(13, "- packets reassembled ok"); R(13, "- invalid checksum");
L(14, "packets forwarded"); R(14, "- invalid length");
L(15, "- unreachable dests"); R(15, "- no socket for dest port");
L(16, "- redirects generated"); R(16, "- no socket for broadcast");
L(17, "option errors"); R(17, "- socket buffer full");
L(18, "unwanted multicasts"); R(18, "total output packets");
L(19, "delivered to upper layer");
L(14, "packets forwarded"); R(14, "- no checksum");
L(15, "- unreachable dests"); R(15, "- invalid length");
L(16, "- redirects generated"); R(16, "- no socket for dest port");
L(17, "option errors"); R(17, "- no socket for broadcast");
L(18, "unwanted multicasts"); R(18, "- socket buffer full");
L(19, "delivered to upper layer"); R(19, "total output packets");
#undef L
#undef R
}
@ -190,6 +190,7 @@ domode(struct stat *ret)
DO(u.udps_ipackets);
DO(u.udps_hdrops);
DO(u.udps_badsum);
DO(u.udps_nosum);
DO(u.udps_badlen);
DO(u.udps_noport);
DO(u.udps_noportbcast);
@ -233,16 +234,17 @@ showip(void)
DO(i.ips_reassembled, 13, 0);
DO(u.udps_badsum, 13, 35);
DO(i.ips_forward, 14, 0);
DO(u.udps_badlen, 14, 35);
DO(u.udps_nosum, 14, 35);
DO(i.ips_cantforward, 15, 0);
DO(u.udps_noport, 15, 35);
DO(u.udps_badlen, 15, 35);
DO(i.ips_redirectsent, 16, 0);
DO(u.udps_noportbcast, 16, 35);
DO(u.udps_noport, 16, 35);
DO(i.ips_badoptions, 17, 0);
DO(u.udps_fullsock, 17, 35);
DO(u.udps_noportbcast, 17, 35);
DO(i.ips_notmember, 18, 0);
DO(u.udps_opackets, 18, 35);
DO(u.udps_fullsock, 18, 35);
DO(i.ips_delivered, 19, 0);
DO(u.udps_opackets, 19, 35);
#undef DO
}